/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2020, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 *
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 *
 */
package net.sourceforge.plantuml.tim;

import java.util.Map;
import java.util.Set;

import net.sourceforge.plantuml.tim.expression.TValue;

public interface TMemory {

	public TValue getVariable(String varname);

	public void putVariable(String varname, TValue value, TVariableScope scope) throws EaterException;

	public void removeVariable(String varname);

	public boolean isEmpty();

	public Set<String> variablesNames();

	public Trie variablesNames3();

	public TMemory forkFromGlobal(Map<String, TValue> input);

	public ExecutionContextIf peekIf();

	public boolean areAllIfOk(TContext context, TMemory memory) throws EaterException;

	public void addIf(ExecutionContextIf context);

	public void addWhile(ExecutionContextWhile value);

	public void addForeach(ExecutionContextForeach value);

	public ExecutionContextIf pollIf();

	public ExecutionContextWhile pollWhile();

	public ExecutionContextWhile peekWhile();

	public ExecutionContextForeach pollForeach();

	public ExecutionContextForeach peekForeach();

	public void dumpDebug(String message);

}
